The sensitivity of the guinea-pig pacemaker to norepinephrine and calcium after pretreatment with reserpine.
D000818:Animals; D002118:Calcium / Q000494:pharmacology*; D006168:Guinea Pigs; D006325:Heart Atria / Q000187:drug effects; D006339:Heart Rate / Q000187:drug effects*; D009638:Norepinephrine / Q000494:pharmacology*; D010477:Perfusion; D011955:Receptors, Drug; D012110:Reserpine / Q000494:pharmacology*; D013997:Time Factors
D011955:Receptors, Drug; D012110:Reserpine; D002118:Calcium; D009638:Norepinephrine